Massaging system seat cushion



FIG. 1 is a perspective view of massaging system seat cushion showing my new design;

FIG. 2 is a view of the front of the cushion shown in FIG. 1;

FIG. 3 is a view of the back of the cushion shown in FIG. 1;

FIG. 4 is a top end view of the cushion shown in FIG. 1;

FIG. 5 is a bottom end view of the cushion shown in FIG. 1; and,

FIG. 6 is a view of a left side of the cushion shown in FIG. 1; the right side being a mirror image thereof. 

The ornamental design for a massaging system seat cushion, as shown and described. 